<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>Hello World!</title>
    <link rel="stylesheet" href="index.css">
  </head>
  <body>

    <h1>哈哈哈</h1>
    <button>点击打开新网页</button>
    <script type='text/javascript' src='./js/rander.js'></script>
  </body>
</html>
